package com.wechat.server.mp.common.handler;


import com.wechat.server.mp.common.builder.TextBuilder;
import com.wechat.server.mp.service.WeiXinService;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.common.session.WxSessionManager;
import me.chanjar.weixin.mp.api.WxMpMessageHandler;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
import me.chanjar.weixin.mp.bean.result.WxMpUser;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @author andy
 */
@Component
@Slf4j
public class SubscribeHandler implements WxMpMessageHandler {

    @Override
    public WxMpXmlOutMessage handle(WxMpXmlMessage wxMessage, Map<String, Object> context, WxMpService wxMpService,
                                    WxSessionManager sessionManager) throws WxErrorException {
        log.info("新关注用户 OPENID: " + wxMessage.getFromUser());
        WeiXinService weixinService = (WeiXinService) wxMpService;
        // 获取微信用户基本信息,没有权限，哎
        //WxMpUser userWxInfo = weixinService.getUserService().userInfo(wxMessage.getFromUser(), null);
        //if (userWxInfo != null) {
            // TODO 可以添加关注用户到本地
        //}
        WxMpXmlOutMessage responseResult = null;
        try {
            responseResult = handleSpecial(wxMessage);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
        if (responseResult != null) {
            return responseResult;
        }
        try {
            return new TextBuilder().build("感谢关注，承蒙时光不弃～", wxMessage, weixinService);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
        return null;
    }

    /**
     * 处理特殊请求，比如如果是扫码进来的，可以做相应处理
     */
    protected WxMpXmlOutMessage handleSpecial(WxMpXmlMessage wxMessage) throws Exception {
        //TODO
        return null;
    }
}
